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If your application does not handle canonical hostnames, add rules to .htaccess.

​
All hosts on the directory → force www

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{HTTP_HOST} !^www\. [NC]
    RewriteRule ^(.*)$ https://www.%{HTTP_HOST}/$1 [R=301,L]
</IfModule>

​
Single hostname → force www

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{HTTP_HOST} ^example.com$ [NC]
    RewriteRule (.*) https://www.example.com/$1 [R=301,L]
</IfModule>

​
All hosts on the directory → strip www

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{HTTP_HOST} ^www\.(.*)$ [NC]
    RewriteRule ^(.*)$ https://%1/$1 [R=301,L]
</IfModule>

​
Single hostname → strip www

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{HTTP_HOST} ^www.example.com$ [NC]
    RewriteRule (.*) https://example.com/$1 [R=301,L]
</IfModule>
Last modified on June 4, 2026